EP0037528B1 - Als Gewindestopfen oder Schraubkappe verwendbarer Verschluss für rohrförmige Anschlüsse - Google Patents

Als Gewindestopfen oder Schraubkappe verwendbarer Verschluss für rohrförmige Anschlüsse Download PDF

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Publication number
EP0037528B1
EP0037528B1 EP81102283A EP81102283A EP0037528B1 EP 0037528 B1 EP0037528 B1 EP 0037528B1 EP 81102283 A EP81102283 A EP 81102283A EP 81102283 A EP81102283 A EP 81102283A EP 0037528 B1 EP0037528 B1 EP 0037528B1
Authority
EP
European Patent Office
Prior art keywords
closure
closure body
cap
body portion
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP81102283A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0037528A1 (de
Inventor
Gerald Timothy Underwood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Publication of EP0037528A1 publication Critical patent/EP0037528A1/de
Application granted granted Critical
Publication of EP0037528B1 publication Critical patent/EP0037528B1/de
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/005—Protection of pipes or objects of similar shape against external or internal damage or wear specially adapted for the ends of pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/80—Dust covers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/901—Cap closures

Definitions

  • the invention relates to a closure for detachable attachment either inside as a threaded plug or outside as a screw cap on the free end of tubular connections with internal and external threads, e.g. of pipe sockets, consisting of a closure body which is cap-shaped and has an internal thread section from one end side and is plug-shaped and which is designed with an external thread section from the other end side.
  • a closure body of this type has long been e.g. known from US-A-658 313.
  • the closure body consists of a suitable metal and is essentially solid over the length of its plug-side end, while the cap-shaped end axially adjoining it is smoothly cylindrical on the outside.
  • Plug-like closures made of flexible material are also known which serve to seal tubular connections against the ingress of contaminants or moisture during transport or during storage (cf. US Pat. No. 3,200,984).
  • the stopper is of hollow cylindrical design and has an open end and a closed end projecting slightly conically in the axial direction.
  • several alternating circumferential ribs and circumferential grooves are provided on the outer circumference of the stopper, which are intended to facilitate deformation of the closure cap when the cap is pressed into the open tube end, the closed end also assuming a greater conicity under the insertion pressure.
  • closure cap This deformation of the closure cap is intended to achieve a hermetically sealing contact between the outer periphery of the closure body and the inner periphery of the pipe end or the like. After the closure has been inserted, the open end of the closure protrudes beyond the tube end and is open to the outside.
  • a plug-like closure is also known made of elastomeric material, which has a cylindrical section which is made of solid material over part of its length and is pushed into the interior of the hose, while an axially projecting hollow cylindrical part of the Plug is pushed backwards around the folded end of the hose in order to mechanically hold the plug in the inserted position and to seal the end of the hose (cf. US-A-3948 290).
  • bottle closures to provide a closure part made of plastic material, which has at one end a hollow cylindrical closed stopper which is pressed into the interior of the bottle neck and has a circumferential sealing rib which cooperates in a sealing manner with the interior of the bottle neck.
  • the closure body widens, this expanding part being turned over after the plug is inserted over the ring-shaped end face of the bottle neck to the outside of the neck mouthpiece.
  • a thickened edge bead is connected to the expanding part via a tear line. The edge bead engages under an outer bead of the bottle neck to hold the closure in its closed position. To open this edge bead is torn off the remaining part of the closure, whereupon the plug-shaped part can be pulled out of the bottle neck (see FR-A-1216 506).
  • the closure body consists of a flexible material, that the external thread section is provided on the outside of the hollow cylindrical section of the closure body provided with an internal thread, and that a grip section in the form of an axially extending and in the direction extending from the cap-shaped end face on the stopper-shaped end face via the closure body or a projecting part of the connection to be closed, a roll-back sleeve of wall thickness reduced relative to the closure cap is provided, which is connected to the cap-shaped end face of the closure body via a radially outwardly extending collar.
  • the thread engagement results in a considerably more secure mounting of the closure on the tubular connection or the like in comparison to closures which only engage the tubular connection with more or less friction. Because the threaded closure is nevertheless made of flexible material, a significantly better seal between the closure and the tubular connection is achieved at the same time as the thread engagement, in comparison to closures of the generic type consisting of metal or external thread sections or internal thread sections necessary as a cap are provided on the same hollow cylindrical sections of the closure body, ie they overlap when viewed in the radial direction, which enables a much more compact design. This makes it possible to provide threaded sections for different diameters both on the plug side and on the cap side even with a limited axial length of the closure.
  • the handling of the Plugging is considerably facilitated by the sleeve which can be rolled back over the closure body and which projects from the cap-side end of the closure body both in the radial direction and in the axial direction.
  • this sleeve initially remains in axial extension and serves as a handle and is folded back over the free end of the tubular connection after the closure has been screwed in.
  • the sleeve can first be folded back over the closure body, as a result of which the gripping and handling of the closure are made considerably easier in spite of the external threaded sections.
  • a particular advantage of the closure lies in the fact that it can be used for pipes of different diameters in a compact design if the diameter of the unit consisting of the closure body and handle section is gradually increased from the plug-shaped end and the closure body has at least two sections which are stepped against each other with internal and external threads.
  • the formation of the threaded sections of the closure made of flexible material ensures that the closure is reliably released even if it remains in the tubular connection for a longer period of time without the risk that residues from the closure remain in the threads of the tubular connection.
  • the plug-shaped end face of the closure body is expediently conically projecting outwards.
  • the closure is made in one piece. It can consist of a suitable flexible or elastic material.
  • This group of materials in question includes natural and synthetic rubbers, plastic elastomers, stretchable, high molecular weight thermoplastic and thermosetting polymers.
  • the flexible materials should preferably be resistant to oil, since the closure is used to a large extent to protect fluid and lubricant lines as well as lines which are intended for the discharge of hydraulic oils.
  • 1 is in the form of a hollow cylindrical part which has at least one inner and one outer cylindrical engagement surface 11 and 12, respectively.
  • two mutually stepped cylindrical engagement sections 11 and 12 are provided on the inside and outside, the diameter of which increases from the closed end 13.
  • the closed ends 13 and 13 ' can be either flat or conical.
  • the flat end is preferred when the closure body 10 is used to protect a hollow tubular article with an internal or external thread.
  • the tapered end shape 13 ' is preferred when the protective cap is used with a flared end, for example a fuel line.
  • An open end 14 is provided in alignment with the opposite closed end 13. This is surrounded by a flexible thin-walled sleeve 15.
  • This sleeve 15 continues to the cylindrical portion 12 with a larger radial diameter and is on the front side 16 fully stand l g orfen.
  • uie hmse has a diameter that is larger than each outer engagement section 12 of the largest diameter. This larger diameter of the sleeve 15 allows it to be folded back over the article to be protected, so that the protective cap 10 can be locked even more securely in its engagement position.
  • the closure body 10 is designed such that it is suitable for various outer or inner diameters of hollow projections or projections with a thread. As shown, it therefore preferably has two or more inner and outer engagement sections 11 and 12. As is apparent from FIG. 2, the diameter of the inner engagement portions increases from the closed end 13. The same applies to the outer engagement sections. Furthermore, the sections of different diameters are connected to one another by flat shoulders 17 that run perpendicular to the axis. The flat and perpendicular to the axis shoulders 17 each serve as a stop, so that the closure body 10 can be locked on an article. By combining the flat and perpendicular to the axis shoulders 17 and the inner or outer Ge winds 18 and 19 a very good locking effect is achieved, which reliably secures the closure body 10 on the article.
  • the inner and outer threads 18 and 19 can be helical, left or right hand standard threads or round or notch threads or the like.
  • Each outer or inner engagement section 11, 12 preferably comprises three full helical threads. Preferably three to five full and 360 ° helical threads are provided.
  • the increase in the diameter of the engagement sections from the closed end 13 to the sleeve section 15 ensures that the closure body can reliably engage in articles of different sizes.
  • 4 shows, for example, a hose connection 20 to which a closure body 10 is applied, in which the flexible sleeve 15 is folded back onto the outer hexagonal surface 22 of the hose connection 20.
  • the larger of the two outer engagement sections 12 engages in the diameter of the internally threaded section 21 of the hose connection 20.
  • the smaller section of the outer engagement sections 12 engages with play in the open bore 23 of the associated part of the hose connection 20. This allows the external threads 19 of the larger outer engagement section 12 to be screwed into the internal threads 21 of the connection part 20.
  • the smaller outer engagement section 12 and the two inner engagement sections 11 are not required.
  • the closure body 10 can be removed from the hose connection 20
  • its wide range of uses allows it to be able to be placed on another article which has an internal or external thread of different diameters. This wide range of applications is an essential feature that clearly distinguishes the present closure from conventional plugs and caps of a known type.
  • the flexible and elastically deformable thin-walled sleeve 15 is used when the closure body 10 is screwed into the opening of a hollow article like a plug. By falling back of the flexible sleeve 15, an even firmer secure engagement is formed, so that the closure body 10 remains in place even more securely. This applies even if the article to be protected is exposed to vibrations or frictional contact with other articles.
  • the flexible sleeve 15 is not folded back when the closure body 10 reaches over a projecting article from the outside. In this case, the flexible sleeve 15 forms a grip section, so that the worker can screw the plug-like closure 10 more easily onto the article. This also enables the worker to obtain better engagement between the closure body 10 and the article.
  • the closure body 10 likewise has a sleeve-shaped section 15 'and an opening 14' at its point of use.
  • the closed end 13 ' is conical, so that it can better engage in a flange-like surface of a lubricant and seal it.
  • only one outer and one inner engagement section 11 'and 12' is provided. This results in a reduction in production costs, which is particularly important when a customer wants to provide closures for a large number of articles with the same inner or outer diameters.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)
  • Buffer Packaging (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
EP81102283A 1980-03-28 1981-03-26 Als Gewindestopfen oder Schraubkappe verwendbarer Verschluss für rohrförmige Anschlüsse Expired EP0037528B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US134932 1980-03-28
US06/134,932 US4342337A (en) 1980-03-28 1980-03-28 Protective closure for an article

Publications (2)

Publication Number Publication Date
EP0037528A1 EP0037528A1 (de) 1981-10-14
EP0037528B1 true EP0037528B1 (de) 1984-09-12

Family

ID=22465662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81102283A Expired EP0037528B1 (de) 1980-03-28 1981-03-26 Als Gewindestopfen oder Schraubkappe verwendbarer Verschluss für rohrförmige Anschlüsse

Country Status (10)

Country Link
US (1) US4342337A (es)
EP (1) EP0037528B1 (es)
JP (1) JPS56151666A (es)
AR (1) AR225496A1 (es)
AU (1) AU533177B2 (es)
BR (1) BR8101665A (es)
CA (1) CA1152906A (es)
DE (1) DE3165923D1 (es)
ES (1) ES265329Y (es)
MX (1) MX152256A (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813569A (en) * 1988-03-14 1989-03-21 Ruiz Louie P Pressure test cap for plumbing drain pipes
US5035266A (en) * 1989-12-11 1991-07-30 Cherne Industries Incorporated Mechanical plug for clean-out tees
US5452748A (en) * 1994-01-07 1995-09-26 Simmons; John M. Synchronized dual thread connector
US5975123A (en) * 1998-03-27 1999-11-02 Underwood; Joseph Linter Gas valve weather cap
US6290092B1 (en) * 1999-03-18 2001-09-18 Pratt & Whitney Canada Corp. Disposable protective closure
US6408887B2 (en) 2000-04-17 2002-06-25 Rick Rahimzadeh Dual size plumbing end cap
US6409220B1 (en) * 2000-09-19 2002-06-25 Conmed Corporation Universal suction canister pour spout adaptor
US6508274B2 (en) * 2000-12-04 2003-01-21 The Goodyear Tire & Rubber Company Fitting dust plug
US6527301B1 (en) * 2001-10-17 2003-03-04 Wendan Enterprises, Inc. Hose thread protector and splash guard
US20070029798A1 (en) * 2005-06-17 2007-02-08 Adorni Craig S An end fitting for piping systems
JP4067016B2 (ja) * 2005-11-17 2008-03-26 ダイキン工業株式会社 管継手の蓋構造、仕切り蓋、冷凍装置、ヒートポンプ式給湯機、給水配管、配管の接続方法、及び現地配管施工方法
US8852167B2 (en) * 2005-12-01 2014-10-07 Bayer Medical Care Inc. Medical connector
EP2245354B1 (en) * 2008-01-28 2012-06-13 Colder Products Company Quick connect/disconnect coupling assemblies
JP5726070B2 (ja) 2008-06-06 2015-05-27 バイエル メディカル ケア インコーポレーテッド 流体注入ボーラスの患者へ送達及び有害流体を取り扱う装置及び方法
US7954515B2 (en) * 2008-08-15 2011-06-07 Colder Products Company Combination cap and plug assembly
US20100282330A1 (en) * 2009-05-05 2010-11-11 Luther Kenneth M Burst plug
US9136680B2 (en) * 2010-07-26 2015-09-15 Mikeal Roberts Protective fitting
JP5907379B2 (ja) * 2012-02-15 2016-04-26 株式会社ジェイ・エム・エス 医療用のオス部材用カバー
US9393441B2 (en) 2012-06-07 2016-07-19 Bayer Healthcare Llc Radiopharmaceutical delivery and tube management system
US9889288B2 (en) 2012-06-07 2018-02-13 Bayer Healthcare Llc Tubing connectors
US9125976B2 (en) 2012-06-07 2015-09-08 Bayer Medical Care Inc. Shield adapters
US8733404B2 (en) 2012-09-04 2014-05-27 Protective Industries, Inc. Threaded plug for hammer union and assembly thereof
DE102012023174A1 (de) * 2012-11-28 2014-06-12 Rosen Swiss Ag Abdeckvorrichtung
CN103527583B (zh) * 2013-11-01 2015-10-28 中山市思锐摄影器材工业有限公司 一种快速连接防松装置
US9835282B2 (en) 2014-04-21 2017-12-05 Blazing Products, Inc. Drain fittings for irrigation systems
US20160052688A1 (en) * 2014-08-22 2016-02-25 Drader Manufacturing Industries Ltd. Interior and exterior pipe end cover
US10427826B1 (en) * 2017-06-06 2019-10-01 Haggai Seda Reusable jug
US11136832B2 (en) 2017-06-28 2021-10-05 Uniarmour Llc Thread protector for use with sucker rods and oil tools
WO2020005558A1 (en) * 2018-06-25 2020-01-02 Uniarmour Llc Thread protector for use with sucker rods and oil tools
US11168812B1 (en) 2018-03-05 2021-11-09 Daniel Keith Wedding Pipe fitting mount
FR3106643B1 (fr) * 2020-01-24 2022-01-14 Financiere De Beaumont Fdb Système de protection de l’embouchure d’une canalisation, et procédé de mise en œuvre d’un tel système
CN113551089A (zh) * 2021-05-18 2021-10-26 沪东中华造船(集团)有限公司 一种法兰式管子端口防护装置及其安装方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US658313A (en) * 1900-03-01 1900-09-18 Mark Skiff Combined pipe cap and plug.
US3200984A (en) * 1962-08-14 1965-08-17 Mueller Brass Co Pressure seal plug
US3948290A (en) * 1973-06-06 1976-04-06 A/S Alto Means for connecting an elastomeric tubing to a member

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750207C (de) * 1937-04-24 1944-12-20 William Simon Freeman Verschluss fuer Flaschen, Kannen oder aehnliche Behaelter
US2486364A (en) * 1945-05-19 1949-10-25 Pyramid Rubber Company Bottle cap or closure
US2977993A (en) * 1957-11-27 1961-04-04 Texas Pipe Line Company Non-metallic pipe end closure
FR1216506A (fr) * 1958-11-28 1960-04-26 Perfectionnements apportés aux capsules en matière plastique pour le bouchage hermétique et inviolable des récipients
US3744528A (en) * 1971-04-26 1973-07-10 S & V Plastics Inc Tube closure member
DE2152353A1 (de) * 1971-10-21 1973-04-26 Achim Daume Flaschenverschluss
US3837522A (en) * 1973-10-09 1974-09-24 Textron Inc Multiple retention plug for sealing openings in metal parts
DE7723635U1 (de) * 1977-07-28 1977-11-03 Fa. Richard Heinze, 4900 Herford Verschlusselement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US658313A (en) * 1900-03-01 1900-09-18 Mark Skiff Combined pipe cap and plug.
US3200984A (en) * 1962-08-14 1965-08-17 Mueller Brass Co Pressure seal plug
US3948290A (en) * 1973-06-06 1976-04-06 A/S Alto Means for connecting an elastomeric tubing to a member

Also Published As

Publication number Publication date
US4342337A (en) 1982-08-03
AU6725481A (en) 1981-10-01
BR8101665A (pt) 1981-09-29
AR225496A1 (es) 1982-03-31
EP0037528A1 (de) 1981-10-14
AU533177B2 (en) 1983-11-03
MX152256A (es) 1985-06-13
JPS56151666A (en) 1981-11-24
ES265329U (es) 1983-04-01
ES265329Y (es) 1983-10-16
CA1152906A (en) 1983-08-30
DE3165923D1 (en) 1984-10-18

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